@charset "utf-8";

/*content*/
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  color: #333;
}

a {
  color: #ffff;
  text-decoration: underline;
}

a.lpurl {
  color: blue;
  text-decoration: underline;
}

a:hover,
a:focus {hea
  text-decoration: none;
  opacity: 0.8;
}

a:hover img {
  opacity: 0.8;
  filter: alpha(opacity=70);
}

#wrapper-1,
#wrapper-2,
#wrapper-3 {
  max-width: 1200px;
}

/*クリックで中身表示*/
.cssacc:checked+.accshow {
  display: block;
}


/* =======================================
                 footer
========================================== */
footer {
  background: #3e3a39;
  color: #fff;
  font-size: 0.9em;
  padding: 1.2em 0;
  text-align: center;
}

footer div {
  max-width: 980px;
  margin: 0 auto;
}

@media only screen and (max-width: 720px) {
  body {

    font-size: 16px;
    line-height: 1.6em;
    margin: 0 auto;
    width: 100%;
  }

  img {
    max-width: 100%;
    height: auto;
    width: auto;
  }

  header #logo {
    float: none;
margin-bottom: 20px; /* ロゴとボタン間のスペース */
        max-height: 60px; /* モバイル時のロゴサイズ調整 */
  }
}
  header #cert {
    display: none;
  }

  #gnav {
    font-size: 0.8em;
    padding: 10px 0;
  }

  #gnav nav {
    width: 100%;
  }

  #gnav ul li {
    margin-right: 0;
    margin-left: 10px;
  }

  #gnav ul li:last-child {
    display: none;
  }

  #main {
    width: 100%;
    float: none;
    margin: 20px auto 0;
  }

  .tdlogo {
    width: 70%;
    float: none;
    text-align: center;
  }

  #performer,
  #company,
  .company02 {
    display: none;
  }

  #main .speaker {
    width: 60%;
    float: none;
    margin: 0 auto;
  }

  h1 {
    font-size: 1.1em;
    margin: 1em 0 0;
    font-weight: bold;
  }

  footer div {
    width: 100%;
    margin: 0 auto;
  }

  footer p {
    margin-right: 10px;
    text-align: center;
    position: relative;
  }
}


footer .social .tw {
  background-image: url(images/X_logo.png);
}

footer .social .fb {
  background-image: url(images/icon_Facebook.jpeg);
}

footer .social a {
  display: inline-block;
  width: 35px;
  height: 35px;
  overflow: hidden;
  text-indent: -100000px;
  border: 2px solid #fff;
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  transition: all 0.3s ease 0s;
  -moz-transition: all 0.3s ease 0s;
  -webkit-transition: all 0.3s ease 0s;
  margin: 0 5px;
  border-radius: 50%;
}
/*------------------------
ハンバーガーボタン
--------------------------*/
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}
.header-button {
    text-decoration: none;
    padding: 10px 15px;
background:#FF7947;
    color: #fff;
    border-radius: 5px;
    font-size: 14px;
}
.menu-toggle {
    display: none; /* デフォルトで非表示 */
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
}

.menu {
    display: flex; /* デフォルトはフレックスボックス */
    gap: 15px;
}

/* ハンバーガーボタンを初期状態で非表示 */
.menu-toggle {
    display: none;
}

/* モバイル時のスタイル */
@media screen and (max-width: 768px) {
    .menu {
        display: none; /* 初期状態で非表示 */
        flex-direction: column;
        position: absolute;
        top: 60px;
        right: 20px;
        background-color: #f8f9fa;
        border: 1px solid #ddd;
        border-radius: 5px;
        padding: 10px;
        z-index: 1000;
    }
.menu.open .header-button {
        background-color: transparent; /* モバイルでは背景色を消す */
        color: #333; /* 必要に応じて文字色を調整 */
    }
    .menu.open {
        display: flex; /* `open` クラスで表示 */
    }

    .menu a {
        margin: 5px 0; /* メニュー項目間のスペースを調整 */
    }

    .menu-toggle {
        display: block; /* ハンバーガーボタンを表示 */
        cursor: pointer;
        font-size: 24px;
        background: none;
        border: none;
        padding: 10px;
        color: #FF7947;
    }
}/*------------------------
ハンバーガーボタンここまで
--------------------------*/


/*------------------------
SP
--------------------------*/

@media only screen and (min-width: 1280px) {
  .tokutenbg {
    min-height: 150px;
  }
}

@media only screen and (max-width: 1024px) {
  #wrapper {
    max-width: 90%;
  }

  .mainbg {
    min-height: 380px;
  }

  .tokutenbg {
    min-height: 150px;
  }

  a.linkb {
    width: 75%;
  }
}

@media only screen and (max-width: 800px) {
  .mainbg {
        background-repeat: no-repeat !important;
    background-image: url(https://www.principle-c.com/static/lp/principle-conference-2025/images/mv.jpg) !important;
width:100%;    
height: auto !important;
      display:block;
  }

  .tokutenbg {
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(images/tokuten_pc_v2.png);
    min-height: 135px;
    min-width: none;
  }

  #wrapper {
    max-width: 92%;
  }

  h1 {
    text-align: left;
  }

  h1 br {
    display: none;
  }

  #complete p {
    text-align: left;
  }

  #main .speaker {
    width: 60%;
    float: none;
    margin: 0 auto 1em;
  }

  .mktoButtonRow {
    position: relative;
    display: inline !important;
  }

  .responsive-table a.cp_btn {
    width: 75%;
  }
}

@media only screen and (max-width: 768px) {
  .maincont {
    margin: 35px auto 35px;
  }

  .mainbg {
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-image: url(https://www.principle-c.com/static/lp/principle-conference-2025/images/sp_1.jpg) !important;
    min-height: 550px !important;
  }

  .tokutenbg {
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(images/tokuten_sp_v2.png);
    min-height: 110px;
    min-width: none;
  }

  .content-box {
    padding: 0;
  }

  #main h2,
  #main-2 h2 {
    font-size: 1.2em;
  }

  .contact {
    margin-bottom: 3em;
  }

  a.linkb.download {
    font-size: 1em;
    margin: 2em auto 0;
    width: 85%;
  }

  a.linkb.download span {
    font-size: 0.8em;
  }
}

@media only screen and (max-width: 390px) {
  .maincont {
    margin: 35px auto 35px;
  }

  .mainbg {
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-image: url(https://www.principle-c.com/static/lp/principle-conference-2025/images/sp_1.jpg) !important;
    min-height: 500px;
  }

  .mainbg.v2 {
    background-image: url(https://www.principle-c.com/static/lp/the-principle-week-2024/images/TPD-2024/mainvisual_v2.png);
  }

  .tokutenbg {
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(images/tokuten_sp_v2.png);
    min-height: 105px;
    min-width: none;
  }
}

@media only screen and (max-width: 320px) {
  .maincont {
    margin: 35px auto 35px;
  }

  .mainbg {
    background-size: contain !important !important;
    background-repeat: no-repeat !important;
    background-image: url(https://www.principle-c.com/static/lp/principle-conference-2025/images/sp_1.jpg) !important;
    min-height: 550px !important;
  }

  .mainbg.v2 {
    background-image: url(https://www.principle-c.com/static/lp/the-principle-week-2024/images/TPD-2024/mainvisual_v2.png);
  }

  .tokutenbg {
    background-size: cover;
    background-repeat: no-repeat;
    background-image: url(images/tokuten_sp_v2.png);
    min-height: 85px;
    min-width: none;
  }
}

/* Floating column for labels: 25% width */
.col-25 {
  float: left;
  width: 25%;
  margin-top: 6px;
}

/* Floating column for inputs: 75% width */
.col-75 {
  float: left;
  width: 70%;
  margin-top: 6px;
  padding-right: 5%;
}

/* Floating column for labels: 20% width */
.col-20 {
  float: left;
  width: 20%;
  padding-right: 4%;
}

/* Floating column for inputs: 80% width */
.col-80 {
  float: left;
  width: 76%;
  margin-top: 6px;
  padding-right: 4%;
}

/* Clear floats after the columns */
.row:after {
  content: "";
  display: table;
  clear: both;
}

/* Responsive layout - when the screen is less than 600px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 600px) {

  .col-25,
  .col-75,
  .col-20,
  .col-80,
  input[type="submit"] {
    width: 100%;
  }
}

@media screen and (max-width: 600px) {
  .col-20 {
    margin-top: 0;
    width: 40%;
  }
}

@media screen and (max-width: 600px) {

  .col-25,
  .col-75,
  .col-80 {
    margin-top: 0;
  }

  .col-25.fixed {
    width: 28% !important;
  }

  .col-25.fixed .talk-time {
    font-size: 0.9em;
  }

  .col-25.talk-person {
    width: 25%;
  }

  .col-75.fixed {
    width: 70% !important;
    float: right !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .time-table-day1 .col-75.fixed,
  .time-table-day2 .col-75.fixed {
    width: 70% !important;
  }

  .row {
    margin-bottom: 1em;
  }

  td {
    padding: 8px;
  }

  #main .prof-detail img {
    max-width: 90%;
  }

  #main .prof-detail .col-25 {
    text-align: center;
  }

  #main .prof-detail .col-75 {
    width: 90%;
    float: none;
    padding: 5%;
  }

  .sponsoring img {
    width: 50%;
  }

  .talk-tag-person {
    margin-top: 1.5em !important;
  }

  .time-table-day2 {
    margin-top: 1.5em;
  }

  a.talk-title {
    font-size: 1.2em;
  }

  #main .prof-detail h3.prof-name {
    line-height: 1.2em;
  }

  #main p {
    line-height: 1.8em;
    font-size: 0.9em;
  }
}



/*カンファレンス*/
.mainbg {
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center center;
  background-image: url(https://www.principle-c.com/static/lp/principle-conference-2025/images/mv.jpg);
  background-color: #ffffff;
  width: 100%;
  height: 100%;
  min-height: 740px;
}


header #cert {
  float: right;
  text-align: right;
  font-size: 0.7em;
}

header #cert ul {
  margin-bottom: 0.5em;
  float: right;
}

header #cert ul li {
  margin-left: 5px;
  float: left;
}

h3 {
  font-size: 24px;
}

#gnav {
  background: #f9f9f9;
  width: 100%;
  color: #333;
  font-size: 0.9em;
  padding: 3px;
  vertical-align: middle;
}

#gnav nav {
  max-width: 1000px;
  margin: 0px;
  vertical-align: middle;
}

#gnav ul li {
  float: left;
  margin-right: 10px;
  vertical-align: middle;
}

#gnav ul li a {
  color: #333;
  text-decoration: none;
  vertical-align: middle;
}

header #logo {
  max-width: 100px;
  text-align: left;
}

ul {
  list-style: none;
}

section.blok {
  display: block;
  margin-top: 3em;
  margin-bottom: 3em;
  margin-left: 1em;
  margin-right: 1em;
}

.clear {
  text-align: left;
  font-size: 14px;
}

.clear {
  clear: both;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: flex;
  gap: 20px;
}

.left-section {
  flex: 2;
}

.right-section iframe {
  width: 450px;
  height: 1250px;
  border-radius: 15px;
  background-color: #f9f9f9;
  border: 0;
  padding: 2em 0;
}

.main-visual {
  border: 2px solid #ccc;
  width: 100%;
  height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #888;
  margin-bottom: 20px;
}

h1.section-title {
  color: black;
  margin: 20px 0px;
  border-left: 5px solid #FF7947;
  padding-left: 10px;
  font-weight: bold;
  font-size: 18px;
}

.seminar-container {
  display: flex;
  gap: 20px;
}


.speaker-information {
  flex: 1;
  
  line-height: 1.6;
  margin: 10px 0px;
}

.schedule {
  margin-top: 20px;
}

.schedule-item {
  background: #f9f9f9;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 25px;
  align-items: center;
  justify-content: space-between;
  width: 95%;
}

hr {
  border: none;
  height: 2px;
  background-color: #FF7947;
  margin: 20px 0;
}

.schedule-item:hover {
  background-color: #f0f0f0;
  cursor: pointer;
}

.schedule-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.schedule-item time {
  font-weight: bold;
  font-size: 16px;
  color: #555;
}

.seminar {
  font-size: 18px;
  font-weight: bold;
  margin: 10px 0px;
}

.company-name {
  font-size: 16px;
  padding-bottom: 20px;
}

.department {
  font-size: 14px;
  padding-bottom: 20px;
}

.name {
  font-size: 18px;
  padding-bottom: 10px;
}

.speaker-information {
  font-size: 14px;

}

.speaker-image {
  flex-shrink: 0;
}

.speaker-image img {
  width: 200px;
  /* 画像サイズを調整 */
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

.apply-button {
  width: 400px;
  border-radius: 30px;
  display: block;
  background: #FF7947;
  color: #fff;
  font-weight: bold;
  text-align: center;
  padding: 10px;
  margin: 40px 120px;
  text-decoration: none;
}

.information {
  margin-top: 40px;
  color: #888;
}

.information-item {
  margin-top: 10px;
}

.accordion-button {
  cursor: pointer;
  padding: 8px 0px;
  font-size: 16px;
  color: #333;

  border: none;

}

.accordion-button.close {
  background-color: #ff6666;
  /* 閉じるボタンの色 */
}

.accordion-button:hover {
  background-color: #0056b3;
}

footer .social .tw {
  background-image: url(images/X_logo.png);
}

footer .social .fb {
  background-image: url(images/Facebook_Logo.jpg);
}

footer .social .youtube {
  background-image: url(images/icon_youtube.png);
}

.sponsoring .sponsoring-detail {
  padding-right: 0;
}

/* Accordion Content */
.accordion-content {
  display: none;
  padding-top: 10px;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  color: #333;
  font-size: 14px;
}

.accordion-content.active {
  display: block;}

  .accordion-content-detail p {
    font-size: 14px;
    color: #555;
    line-height: 1.6;
  }

  .p-item {
    list-style-type: disc;
    margin-left: 20px;
    color: #333;

  }

  .p-list {
    font-size: 16px;
    margin-left: 20px;
    margin-bottom: 0px;
  }

  .privacy-policy {
    width: 80%;
    max-width: 800px;
    height: 300px;
    margin: 20px auto;
    padding: 20px;
    overflow-y: scroll;
    background-color: #f9f9f9;
    color: #333;
    border-radius: 8px;
  }

  .company-list{
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    max-width: 1000px;
    margin: 0px auto;
    padding: 10px;
  }

  /* 各会社名のスタイル */
  .company-item{
    list-style-type: disc;
    flex: 1 1 calc(33.333% - 20px);
    /* 3列レイアウト */
    box-sizing: border-box;
    margin-left: 20px;
    color: #333;
  }

  .floating-button {
            position: fixed;
            bottom: 20px; /* 下からの位置 */
            right: 20px; /* 右からの位置 */
            background-color: #FF7947; /* ボタンの背景色 */
            color: white; /* テキストの色 */
            padding: 15px 20px; /* パディング */
            border: none; /* 枠線を消す */
            border-radius: 50px; /* 丸み */
            font-size: 16px; /* フォントサイズ */
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2); /* ボックスシャドウ */
            cursor: pointer; /* カーソルをポインタにする */
            z-index: 1000; /* 他の要素より前面に表示 */
            transition: transform 0.2s ease, background-color 0.2s ease; /* アニメーション */
            opacity: 0; /* 最初は非表示 */
            visibility: hidden; /* 最初は見えない状態 */
            transition: opacity 0.3s ease, visibility 0.3s ease; /* 表示/非表示のアニメーション */
            text-decoration:none;
        }
  .floating-button:hover {
    background-color: #FF7947;
    box-shadow: 0 6px 8px rgba(0, 0, 0, 0.3);
    transform: scale(1.05);
    /* ホバー時に少し大きく */
  }

  .floating-button a {
    text-decoration: none;
  }
.floating-button.visible {
            opacity: 1; /* 表示 */
            visibility: visible; /* 見える状態 */
        }
  .body-in {
    position: relative;
  }

  /* レスポンシブデザイン */
  @media (max-width: 768px) {
    .floating-button {
      bottom: 15px;
      right: 15px;
      padding: 12px 20px;
      /* 小さい画面用に調整 */
      font-size: 14px;
    }
  }

  @media (max-width: 480px) {
    .floating-button {
      bottom: 10px;
      right: 10px;
      padding: 10px 18px;
      /* モバイル用にさらに調整 */
      font-size: 12px;
    }
  }

  /* Responsive Design */
  @media screen and (max-width: 768px) {
    .container {
      flex-direction: column;
      align-items: center;
    }

    .right-section {
      margin: 0px 20px;
    }

    .seminar-container {
      flex-direction: column;
      align-items: center;
    }

    .speaker-image img {
      width: 180px;
      /* スマホでは少し小さめ */
    }

    .right-section iframe {
      width: 300px;
      /* 親要素の幅に合わせる */
      max-height: 1250px;

    }

    .company-item {
      flex: 1 1 100%;
      /* 縦一列 */
      margin-left: 0;
    }

    .apply-button {
      width: 300px;
      margin: 30px auto;
      padding: 10px;
    }
  }

  @media (max-width: 480px) {
    .apply-button {
      width: 90%;
      margin: 0px auto;
      padding: 12px;
    }

    .right-section iframe {
      max-height: none;
      /* 制限を解除 */

    }
  }

  /*------------------------
追記
--------------------------*/

  .mt60 {
    margin-top: 60px;
  }

  .mt80 {
    margin-top: 80px;
  }

  .mt100 {
    margin-top: 100px;
  }

  .mb30 {
    margin-bottom: 30px;
  }

  .mb40 {
    margin-bottom: 40px;
  }

  .mb60 {
    margin-bottom: 60px;
  }

  .mb80 {
    margin-bottom: 80px;
  }

  .mb100 {
    margin-bottom: 100px;
  }